Operational news

On this page, you will find the latest news and announcements relating to gas operations and data. Please refer to this page for industry updates, data changes and outages.

You can find earlier gas operational news on the archive page.

Publication of Pressure Forecasts

17th August 2018

 

Following industry feedback, from 17/08/18 National Grid will be commence a pressure forecasting service.

We have heard from you, our Customer and Stakeholders across the industry, that having more information about likely pressures on the Network would add significant value to your operations and commercial decisions. In response, we have developed a weekly forecast, available on our Transmission Operational Data page under Supplementary Reports:

https://www.nationalgrid.com/uk/gas/market-operations-and-data/transmission-operational-data

The weekly publication will consist of an indicative forecast pressure range at system entry points on the Gas Transmission Network, and will be valid for the following week. The forecasts will be  based on prevailing network configurations and assumed supply/demand patterns using the best available information that we have at that time. As we have previously highlighted within day changes to supply and demand do have an impact on pressures observed across the network, so there is likely to be some level of uncertainty in the forecasts.

We will aim to enhance this data based on feedback, so please continue to let us know your thoughts, we are particularly interested to hear how this data can aid decisions making and the value it adds to your business.


 

MIPI Maintenance – Tuesday 21st August 2018 18:00- 20:00

16th August 2018

Please be aware that there will be a system outage taking place on 21st August 2018 (between 18:00– 20:00) which will affect some elements of Operational data displayed through MIPI.

The following reports will be impacted:

  • Nomination Report.
  • NB05- System Nomination Balance.
  • Daily Auctions Summary Report (Within Day)
  • Exit Capacity Availability Report
  • Exit Capacity Daily Price Report
  • CWV
  • Linepack
  • Calorific value
  • Flex data
  • Operational Summary data
  • Shrinkage
  • NTSAFF-Aggregate Forecast Flows into the NTS
  • NTSAPF-Aggregate Physical Flows into the NTS
  • NB92-System Status Information
  • Physical Flows, Bacton IUK Entry
  • Physical Flows, Bacton IUK Exit
  • Physical Flows, Bacton BBL Entry
  • Physical Flows, Moffat Exit 

All missed data items will be patched by the following Gas Day. Please visit this page for further updates. If you have any further questions, please email us on box.[email protected]. We apologise for any inconvenience this may cause.



 

MIPI Maintenance – Tuesday 21st August 2018 18:00hrs

14th August 2018

National Grid are fully aware of the impact of Operational Data outages to yourselves in the community, however we need to facilitate system maintenance on the 21st August. We wish to limit the impact to the industry by commencing the maintenance outside of normal trading hours, so will commence this at 18:00hrs. Possible Impacts include –

  • Availability of APIs
  • Intermittent down time on the MIPI (Transmission Operational Data) web pages
  • Availability of the latest data

During the outage opening line pack, demand & PCLP will be made available utilising ANS.

Any missing data items will be patched following the outage.

There will be a further communication to confirm the expected finish time for this maintenance, it should last no more than a few hours. We apologise for any inconvenience this may cause.

See our Operational news page here: click here for gas operational news

If you have any further questions, please contact us on box.[email protected]


Alignment of 2019 Maintenance Plans with Interconnector

14th August 2018

National Grid have worked closely with Interconnector (UK) Limited to align our major maintenance work in the 19/20 delivery year.

National Grid will carry out essential maintenance work at Bacton Terminal as part of our Asset Health strategy during April and May. To minimise the impact on our stakeholders, The UK-Belgium Gas Interconnector will be shut down from 06:00 CET (05:00 UKT) Sunday 21 April 2019 for a period of 10 days, resuming flow 06:00 CET (05:00 UKT) Wednesday 1 May 2019. The alignment of this single outage will allow the work to be carried out at a time where there is minimal risk of any impact across the network.

 

For more information about National Grid’s gas maintenance plans, or to get in touch with the maintenance planning team, please visit our maintenance website:

https://www.nationalgrid.com/uk/gas/market-operations-and-data/maintenance

 

Confirmation of the Interconnector outage can be found on the Interconnector news page:

http://www.interconnector.com/about-us/what-we-have-to-say/latest-news/

 

For any further questions, please contact us at

box.[email protected]


Xoserve Update

9th August 2018

Xoserve and National Grid have introduced a new help function within Citrix and Gemini to highlight frequently asked questions (FAQs) and possible solutions to common queries. The Citrix help button directs you to the existing FAQ page on Gemini FAQ's. You can also find this page through the help function within Gemini (located on the toolbar), where you can now raise a ticket directly with the Xoserve Service Desk if the FAQs do not answer your query.

 

We would love your feedback on this help feature. If you would like to respond with any comments, please send an email to [email protected].

 

If you prefer to raise your fault / query directly via the Xoserve Service Desk, please call 0845 600 0506, or email [email protected].


Xoserve Disaster Recovery

6th August 2018

Dear colleague

As part of our annual programme of Disaster Recovery and resilience testing,

There will be a service outage during the following times:

  • UK Link Portal and CMS Friday 17th August 23:00 UK BST to Saturday 18th August 10:00 UK BST (failover to DR site)
     
  • UK Link Portal Saturday 18th August 23:00 UK BST to Sunday 19th August 07:00 UK BST (failback to primary site)

Impact of the DR test:

Gemini

The following NDM gas nominations (Demand Publication) will be impacted. During this period Gemini will utilise the previous weather values as of 16:00 UK BST
- Gas Flow Days 17/08/18 and 18/08/18 published at 00:00 on 18/08/18 will contain the same values as 16:00 on 17/08/18
- Gas Flow Day 18/08/18 published at 10:00 on 18/08/18 will contain the same values as 16:00 on 17/08/18
- Gas Flow Day 18/08/18 and 19/08/18 published at 00:00 on 19/08/18 will contain the same values as 16:00 on 18/08/18

MIPI

No new forecast weather in MIPI at 23:00 UK BST on Friday for gas days Friday 17th and Saturday 18th

No new forecast weather in MIPI at 08:00 UK BST on Saturday 18th August for that gas day

No new forecast weather in MIPI at 23:00 UK BST on Saturday for gas days Saturday 18th and Sunday 19th

There will be a delay in the publication of actual weather data for gas day Friday 17th August in MIPI, this data will be published late morning on the 18th.

Updates will be available on www.xoserve.com and via the Xoserve Service Desk on 0845 600 0506


MIPI Outage - Monday 06th August 2018 18:00pm–20:00pm

2 August 2018

National Grid are fully aware of the impact of system maintenance to yourselves in the community, due to multiple interfaces that need updating we must facilitate another maintenance activity on the 6th August, we wish to limit the impact to the industry by commencing the maintenance outside of normal trading hours, so will commence this at 6pm and complete for 8pm.  Impacts will be seen through both the data displayed on the Prevailing View page and within Data Item Explorer.

 The website will be available but the data for the below reports will not be up to date  during the maintenance activity:

  • Nomination Report.
  • NB05- System Nomination Balance.
  • Daily Auctions Summary Report (Within Day)
  • Exit Capacity Availability Report
  • Exit Capacity Daily Price Report
  • NTSAFF-Aggregate Forecast Flows into the NTS
  • NTSAPF-Aggregate Physical Flows into the NTS
  • NB92-System Status Information
  • Physical Flows, Bacton IUK Entry
  • Physical Flows, Bacton IUK Exit
  • Physical Flows, Bacton BBL Entry
  • Physical Flows, Moffat Exit 

During the outage ( Opening line pack, demand & PCLP)  will be made available utilising ANS – this data will also available on the bottom of the prevailing view screen.

All missed data items will be patched back by the end of Gas Day 6th August.

See our Operational news page here: click here for gas operational news

If you have any further questions, please contact us on box.[email protected]

We apologise for the inconvenience this may cause.


GCS Outage - Tuesday 07th August 2018 16:00pm–20:00pm

1 August 2018

Please be aware that there will be a system outage taking place on 7th August 2018 (between 16:00– 20:00) which will affect some elements of Operational data displayed through MIPI.  Impacts will be seen through both the data displayed on the Prevailing View page and within Data Item Explorer.

To clarify, this will affect the following data within Prevailing view:

  • PCLP Data- Hourly data.
  • Forecast Flows – Hourly data
  • Physical Flows – Hourly data

Within Data Item Explorer the following will be impacted:

Obligated MIPI reports impacted

Impact During GCS Outage 16:00 - 20:00

NTSAFF-Aggregate Forecast Flows into the NTS

Continues to Update with last good value

NTSAPF-Aggregate Physical Flows into the NTS

Total Outage to data - no updates - until GCS is back up, next available hour bar will then be published by GNCC

 

NB92-System Status Information

Total Outage to data - no updates - until GCS is back up, next available hour bar will then be published by GNCC

 

Physical Flows, Bacton IUK Entry

No data updates for duration

Physical Flows, Bacton IUK Exit

No data updates for duration

Physical Flows, Bacton BBL Entry

No data updates for duration

Physical Flows, Moffat Exit

No data updates for duration

GMRS Data

Updates with last good value until a new value is received from GCS

 

 

During the outage ( Opening line pack, demand & PCLP)  will be made available utilising ANS – this data will also available on the bottom of the prevailing view screen.

All missed data items will be patched back by the end of Gas Day 8th August.

See our Operational news page here: click here for gas operational news

If you have any further questions, please contact us on box.[email protected]

We apologise for any inconvenience this may cause.


Gemini and OCM Contingency Proforma's Updated

1 August 2018

Please be aware the Gemini Contingency and OCM Contingency proformas have been updated based on Shipper feedback. The new versions can now be found via the respective links below please update your internal process accordingly.

https://www.nationalgrid.com/uk/gas/capacity

https://www.nationalgrid.com/uk/gas/balancing/day-commodity-market-ocm

If you have any questions the contact teams details can be found on each proforma.

Future reviews will be conducted annually with the next due 01/08/2019.


Gemini Outage

26 July 2018

Xoserve will be conducting a Gemini extended service outage on Sunday 28 July 2018 between 03:00am–07:00am UK BST if contingency is required the outage window will be extended until 09:00am UK BST. No capacity auctions will be running until the system is released at 07:00am UK BST.


10 July 2018

Xoserve will be conducting the Gemini, Gemini Exit and EU failback from the Peterborough DR to the primary Kettering site on Sunday 15 July 2018 03:00am–07:30am UK BST. Should it be necessary to fail back to the DR site the outage window will be extended to 12:30pm UK BST. No capacity auctions will be running until the system is released at 07:30am UK BST.


4 July 2018 

Xoserve will be conducting a test for Gemini activities on Sunday 8 July 2018 between 05:00am–06:00am UK BST to gain assurance for the Peterborough DR site for the Gemini DR failback from Peterborough to Kettering on the 15 July, file processing and confirmations will not commence until 06:00am (07:00am if roll-back is required) UK BST on the same day.